On Tue, Mar 16, 2010 at 04:05:42PM -0500, Jason Wessel wrote:> Commit e1108a63e10d344284011cccc06328b2cd3e5da3 ("usb_serial: Use the> shutdown() operation") breaks the ability to use a usb console> starting in 2.6.33. This was observed when using> console=ttyUSB0,115200 as a boot argument with an FTDI device. The> error is:> > ftdi_sio ttyUSB0: ftdi_submit_read_urb - failed submitting read urb, error -22> > The handling of the ASYNCB_INITIALIZED changed in 2.6.32 such that in> tty_port_shutdown() it always clears the flag if it is set. The fix> is to add a variable to the tty_port struct to indicate when the tty> port is a console.